Inventors:
Michael Clarady - Wichita KS, US
Lance Cutler - Maize KS, US
John Bitker - Wichita KS, US
Assignee:
The Boeing Company - Chicago IL
International Classification:
E06B001/04
Abstract:
An apparatus for providing a smoke barrier through a doorway comprising a door coupled to a doorframe and a threshold on the floor between the doorframe. A movable seal assembly is coupled to the threshold and a first seal is coupled to the doorframe for contacting a top and two sides of the door when the door is in the closed position. A bottom seal is coupled to the movable seal assembly for contacting a bottom of the door when the door is in the closed position.